1 /*- 2 * Copyright (c) 1990, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)nlist.c 8.4 (Berkeley) 4/2/94 30 * $FreeBSD: src/bin/ps/nlist.c,v 1.12.6.2 2001/08/01 05:04:48 obrien Exp $ 31 * $DragonFly: src/bin/ps/nlist.c,v 1.4 2004/03/19 17:47:49 cpressey Exp $ 32 */ 33 34 #include <sys/types.h> 35 #include <sys/time.h> 36 #include <sys/resource.h> 37 #include <sys/sysctl.h> 38 39 #include <stddef.h> 40 41 #include "ps.h" 42 43 int nlistread; /* if nlist already read. */ 44 int mempages; /* number of pages of phys. memory */ 45 int fscale; /* kernel _fscale variable */ 46 47 int 48 donlist(void) 49 { 50 size_t oldlen; 51 52 oldlen = sizeof(fscale); 53 if (sysctlbyname("kern.fscale", &fscale, &oldlen, NULL, 0) < 0) 54 return (1); 55 oldlen = sizeof(mempages); 56 if (sysctlbyname("hw.availpages", &mempages, &oldlen, NULL, 0) < 0) 57 return (1); 58 nlistread = 1; 59 return (0); 60 } 61